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Financial income and expense (Details) ₨ in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2025 INR (₨)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 INR (₨)	Mar. 31, 2023 INR (₨)
Disclosure of Financial income and expense [Abstract]
Finance income	₨ 12,632	$ 148	₨ 108	₨ 10,291
Interest expense on lease obligations	295,589		249,964	191,912
Interest expense on pension liabilities	1,805	21	1,995	4,938
Interest expense on borrowings	2,446,285		1,951,675	1,479,889
Finance expense	(2,743,679)		(2,203,634)	(1,676,739)
Net finance income / (expense)	₨ (2,731,047)	$ (31,911)	₨ (2,203,526)	₨ (1,666,448)

X

- Definition

The amount of costs associated with financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 82
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_82_b&doctype=Standard
-URIDate 2024-03-27

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Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of income associated with interest and other financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard
-URIDate 2024-03-27

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Namespace Prefix:	ifrs-full_
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X

- Definition

The amount of income or cost associated with interest and other financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard
-URIDate 2024-03-27

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Namespace Prefix:	ifrs-full_
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Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

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- References

No definition available.

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X

- Definition

Interest expense on pension liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	sify_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Interest expenses on lease obligations.

+ References

No definition available.

+ Details

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